/// <summary>
/// Prevents a default instance of the <see cref="GamepadState"/> class from being created.
/// </summary>
public GamepadState()
{
m_prevState = new GamepadReportedState();
m_currentState = new GamepadReportedState();
}
internal void NotifyState(GamepadReportedState controllerState)
{
m_prevState = m_currentState;
m_currentState = controllerState;
}
/// <summary>
/// Querries all current input states.
/// </summary>
public IEnumerable <InputStateBase> GetInputStates()
{
// Update connected states first
for (int loop = 0; loop < m_controllers.Length; loop++)
{
bool isConnected = m_controllers[loop].IsConnected;
if (!isConnected)
{
m_states[loop].NotifyConnected(false);
continue;
}
m_states[loop].NotifyConnected(true);
// Query all state structures
XI.State xiState = m_controllers[loop].GetState();
XI.Gamepad xiGamepad = xiState.Gamepad;
// Convert float values
GamepadReportedState repState = new GamepadReportedState()
{
LeftThumbstickX = EngineMath.Clamp((float)xiGamepad.LeftThumbX / (float)short.MaxValue, -1f, 1f),
LeftThumbstickY = EngineMath.Clamp((float)xiGamepad.LeftThumbY / (float)short.MaxValue, -1f, 1f),
LeftTrigger = EngineMath.Clamp((float)xiGamepad.LeftTrigger / 255f, 0f, 1f),
RightThumbstickX = EngineMath.Clamp((float)xiGamepad.RightThumbX / (float)short.MaxValue, -1f, 1f),
RightThumbstickY = EngineMath.Clamp((float)xiGamepad.RightThumbY / (float)short.MaxValue, -1f, 1f),
RightTrigger = EngineMath.Clamp((float)xiGamepad.RightTrigger / 255f, 0, 1f)
};
// Convert button states
GamepadButton pressedButtons = GamepadButton.None;
if (xiGamepad.Buttons.HasFlag(XI.GamepadButtonFlags.A))
{
pressedButtons |= GamepadButton.A;
}
if (xiGamepad.Buttons.HasFlag(XI.GamepadButtonFlags.B))
{
pressedButtons |= GamepadButton.B;
}
if (xiGamepad.Buttons.HasFlag(XI.GamepadButtonFlags.Back))
{
pressedButtons |= GamepadButton.View;
}
if (xiGamepad.Buttons.HasFlag(XI.GamepadButtonFlags.DPadDown))
{
pressedButtons |= GamepadButton.DPadDown;
}
if (xiGamepad.Buttons.HasFlag(XI.GamepadButtonFlags.DPadLeft))
{
pressedButtons |= GamepadButton.DPadLeft;
}
if (xiGamepad.Buttons.HasFlag(XI.GamepadButtonFlags.DPadRight))
{
pressedButtons |= GamepadButton.DPadRight;
}
if (xiGamepad.Buttons.HasFlag(XI.GamepadButtonFlags.DPadUp))
{
pressedButtons |= GamepadButton.DPadUp;
}
if (xiGamepad.Buttons.HasFlag(XI.GamepadButtonFlags.LeftShoulder))
{
pressedButtons |= GamepadButton.LeftShoulder;
}
if (xiGamepad.Buttons.HasFlag(XI.GamepadButtonFlags.LeftThumb))
{
pressedButtons |= GamepadButton.LeftThumbstick;
}
if (xiGamepad.Buttons.HasFlag(XI.GamepadButtonFlags.RightShoulder))
{
pressedButtons |= GamepadButton.RightShoulder;
}
if (xiGamepad.Buttons.HasFlag(XI.GamepadButtonFlags.RightThumb))
{
pressedButtons |= GamepadButton.RightThumbstick;
}
if (xiGamepad.Buttons.HasFlag(XI.GamepadButtonFlags.Start))
{
pressedButtons |= GamepadButton.Menu;
}
if (xiGamepad.Buttons.HasFlag(XI.GamepadButtonFlags.X))
{
pressedButtons |= GamepadButton.X;
}
if (xiGamepad.Buttons.HasFlag(XI.GamepadButtonFlags.Y))
{
pressedButtons |= GamepadButton.Y;
}
repState.Buttons = pressedButtons;
// Report controller state to the system
m_states[loop].NotifyState(repState);
}
// Now return all input states
for (int loop = 0; loop < m_states.Length; loop++)
{
yield return(m_states[loop]);
}
}